Axial MRI of the Lumbar Spine - T2 weighted image at the L4 level. On this view centered over the L4-L5 disk, one can see well the cauda equina surrounded by CSF (note that CSF is bright on ...

Magnetic Resonance Imaging (MRI) of the Brain and Spine: Basics: Magnetic resonance imaging (MRI) is one of the most commonly used tests in neurology and neurosurgery.MRI provides exquisite detail of ...

The diagnosis of axial spondyloarthritis (axSpA) is based on detection of characteristic inflammatory or structural changes (or a combination of both) in the spine and sacroiliac joints. Imaging ...

This article summarizes the clinical definition of ankylosing spondylitis and axial spondyloarthritis, discusses the pathogenesis of these conditions, and reviews approaches to management.